CALIBRATION:

THIS MODIFICATION IS AUTHORIZED ONLY FOR THE LISTED ENGINE. PERFORMING THIS MODIFICATION ON OTHER ENGINE CALIBRATIONS IS UNAUTHORIZED AND COULD CREATE LIABILITY UNDER APPLICABLE FEDERAL OR LOCAL LAWS.

ISSUE:

Some 1996 Econolines and 1996-97 F-Series equipped with a 7.3L Diesel engine and E4OD transmission with 49-State calibration may experience a delayed/harsh 2-3 upshift.

ACTION:

Reprogram the Powertrain Control Module (PCM). The new calibration has been revised to better match the engine torque output characteristics. Refer to the following PCM Application Chart for the correct PCM calibration.

Perform normal diagnostics as outlined in the appropriate model/year Service/Workshop Manual, Section 07-01/307-01 to verify no other cause for the concern is present. Service as required. If the concern still exists, reprogram the PCM using the latest CD-ROM (February 1997 or later).

PCM APPLICATION CHART

Old Calibration

Old Part Number

New Calibration

New Part Number

6-90A-R11

F6TZ-AYG

7-90A-R10

F7TZ-TA

NOTE:

REGIONAL APPROVAL MUST BE OBTAINED WHEN IT IS NECESSARY TO REPLACE THE PCM.

Obtain an Authorized Modifications Decal (FPS 8262 – obtainable through DOES II, 25/pkg) and list the date, dealer number, and summary of modifications performed. Select a prominent place adjacent to the Vehicle Emission Control Information Decal suitable for installing the Authorized Modifications Decal. Clean the area, install the decal, and cover it with a clear plastic decal shield.